Home / 124,318.56-171,563.76-67,735.20

Finding the Fourth Proportional to 124,318.56, 171,563.76 and 67,735.20

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Solution

The fourth proportional to 124,318.56, 171,563.76 and 67,735.20 is: 93,476.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,318.56 : 171,563.76 = 67,735.20 : x
  2. Step 2: Convert to fraction form
    124,318.56/171,563.76 = 67,735.20/x
  3. Step 3: Cross multiply
    124,318.56x = 171,563.76 × 67,735.20
  4. Step 4: Simplify right side
    124,318.56x = 11,620,905,596.35
  5. Step 5: Solve for x
    x = 11,620,905,596.35/124,318.56
  6. Step 6: Final answer
    x = 93,476.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.